In Hong Kong in 1987, the Kowloon Walled City under the flashing neon lights was undercurrent. Congratulations to a young man with a gentle, sensitive and kind personality who ended up here due to an accident. His only warmth is his childhood sweetheart Su Rou - the tough girl who grew up with him and now works in a tea restaurant. However, rival Chen Yaozu repeatedly framed her, trying to take Su Rou away and trample the congratulations into the quagmire. In a desperate situation, the congratulatory message awakens the golden finger's "human heart decoding", which can discern the emotions and flaws of others. Relying on this ability, he dealt with the gangs, police and gangsters in Hong Kong Island and the grievances of the world, and broke out on the road of counterattack with the appearance of a deer. Every time he was forced into a desperate situation, he fought back with gentleness and wisdom, making his opponents tremble.
